Patents by Inventor James Chamberlain

James Chamberlain has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5941803
    Abstract: An exercise apparatus having a frame including a base, a plurality of support members extending upward from the base, a slide board carrying member carried by a first group of the plurality of support members, and a platform carrying member carried by a second group of the plurality of support members. A slide board is carried by the slide board carrying member and generally resides in a plane which is angled with respect to horizontal while a platform is carried by the platform carrying member and generally resides in a plane which is parallel with respect to horizontal. A pair of channels between which said slide board is generally disposed is provided for use in carrying a reciprocable shuttle. A plurality of upwardly extending poles is also provided which are preferably adapted to be removably mated with a corresponding number of said plurality of support members.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: August 24, 1999
    Inventors: James Chamberlain, Mark Cibrario, Barry Slotnick
  • Patent number: 5046207
    Abstract: A bed sheet which includes an elastic band sewn to the periphery of the sheet. A drawstring fitted inside the band allows the sheet to be drawn tight about mattresses of varying sizes and shapes.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: September 10, 1991
    Assignee: Coachmen Industries, Inc.
    Inventor: W. James Chamberlain